And twitter's founder @jack started project @bluesky a while ago and try to fix "a mistake he made" -- should build twitter as a protocol rather than a centralized app. Last week they just release first private beta "at protocol" https://atproto.com/
twitter 的创始人@jack 不久前启动了 @bluesky 项目，并试图修复“他犯的一个错误”——应该将 twitter 构建为协议而不是集中式应用程序。上周他们刚刚发布了第一个私有测试版“atprotocol”https://atproto.com/